Diaphragms are an essential component in dosing pump systems, responsible for creating suction and discharge actions that facilitate liquid flow. Serving as the only part in direct contact with the pumped substances, the diaphragm is typically made from Teflon (PTFE), a material highly resistant to corrosion and chemical reactions, including exposure to strong acids and bases. Thanks to this durability, Teflon diaphragms protect the pump’s internal components from corrosive agents while ensuring accurate dosing performance.
Functional Features of Dosing Pump Diaphragms
Operating similarly to a piston, dosing pump diaphragms generate push-and-pull forces through their flexibility, enabling the transfer of liquids from storage to designated locations. This specialized design also allows for precise adjustments to the volume and flow rate of the liquid, making it ideal for industries requiring high dosing accuracy, such as chemical processing, water treatment, and other sectors where precision is paramount.
Why Dosing Pump Diaphragms Are Made from Teflon (PTFE)?
Diaphragms for dosing pumps are commonly manufactured using Teflon (PTFE) due to its superior resistance to wear and ability to withstand harsh chemicals, such as concentrated HCl, NaOH, and various forms of sulfuric acid (H₂SO₄). The Teflon layer acts as a shield, preventing chemical damage and wear, thereby prolonging the equipment’s lifespan and ensuring stable, long-term functionality.
When to Replace Dosing Pump Diaphragms?
Over time, diaphragms in dosing pumps can become worn or torn due to frequent exposure to corrosive chemicals. A damaged diaphragm may cause the pump to lose pressure, making it ineffective in suction or discharge functions. In severe cases, leakage into the pump chamber can occur, risking further damage. Regular inspections and timely replacements of diaphragms are thus crucial to maintaining optimal dosing pump performance.
How Can We Assist You?
We offer a wide range of diaphragms in various sizes for dosing pumps. Each pump brand and type has different designs, so accessories need to match each pump type. Therefore, parts may vary in shape, mounting hole count, and size. It’s advisable to have spare diaphragms available to minimize downtime and maintain pump efficiency.
However, not all brands have readily available stock, and prices can be high. It’s essential to have alternative solutions that meet quality requirements, ensure prompt service, and meet necessary production criteria.
We provide a comprehensive selection of diaphragms and other replacement parts from well-known brands like OBL, Seko, Blue White, Nikkiso, Doseauro, etc, with competitive prices, excellent quality, and large quantities. Parts are shipped worldwide from our Vietnam warehouse. Please feel free to contact our technical team for support, advice, and fast shipping.
